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Yang Xia closed TINKERPOP-3101. ------------------------------- Resolution: Duplicate Closing this as duplicate, as it also relates to the semantics of union() and its behavior with drop(). Please feel free to re-open if there are additional issues around this case. > `union()` with a mutation step as the first option is changing the output > ------------------------------------------------------------------------- > > Key: TINKERPOP-3101 > URL: https://issues.apache.org/jira/browse/TINKERPOP-3101 > Project: TinkerPop > Issue Type: Improvement > Components: process > Affects Versions: 3.7.1 > Reporter: Dave Bechberger > Priority: Major > > When you use a `drop()` step as the first subtraversal it is impacting the > subsequent subtraversals. In the example below I would have expected this to > return the `valueMap()` of the incoming solutions since this is a branch step. > > {code:java} > \,,,/ > (o o) > -----oOOo-(3)-oOOo----- > plugin activated: tinkerpop.server > plugin activated: tinkerpop.utilities > plugin activated: tinkerpop.tinkergraph > gremlin> g = TinkerFactory.createModern().traversal() > ==>graphtraversalsource[tinkergraph[vertices:6 edges:6], standard] > gremlin> g.V().union(drop(), valueMap()) > ==>[] > ==>[] > ==>[] > ==>[] > ==>[] > ==>[] {code} -- This message was sent by Atlassian Jira (v8.20.10#820010)